Friday favourite: The “trick” features that endeared Unser to Penske's forgotten car

Unser didn't win in the PC27, but did record podiums despite tyre and engine deficit. Here he is pictured after placing third at Milwaukee in 1998

Unser Jr elected not to race the PC27 at Nazareth in 1998 after team-mate Ribeiro's enormous crash

The PC27 isn't remembered as a success story, but it could have been under different circumstances

Source: Autosport